Changlang district is located in the Indian state of Arunachal Pradesh, located south of Lohit district and north of Tirap district. Naga people reside here . As of 2011 it is the second most populous district of Arunachal Pradesh (out of 16), after Papum Pare. It has become one of the major districts in the area owing to the presence of crude oil, coal and mineral resources other than tourism and hydropower.
Boasting numerous tourist attractions to amuse all types of tourists in different ways, Changlang is one of the major districts in Arunachal Pradesh. The district features an elevation range of 200 metres to 4500 metres.
The popular places to visit here are World War II Cemetery, Lake of No Return, Jongpho-Hate, and Namdapha National Park among many others.